157261708

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{108907}}^1$

素因数の和:108949

約数の個数: 18

約数和(自身を含む): 290457636

約数和(自身を除く): 133195928

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 108907, 217814, 435628, 2069233, 4138466, 8276932, 39315427, 78630854, 157261708]

約数ペア:

[(1, 157261708), (2, 78630854), (4, 39315427), (19, 8276932), (38, 4138466), (76, 2069233), (361, 435628), (722, 217814), (1444, 108907)]